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Flura [38]
3 years ago
15

Lucy and Kareem each opened a savings account today. Lucy opened her account with a starting amount of $160, and she is going to

put in $50 per month
Kareem openbd his account with no starting amount, and he is going to put in $90 per month
Let x be the number of months after today.
(a) For each account, write an expression for the amount of money in
the account after x months.
Amount of money in Lucy's account (in dollars) = 0
Amount of money in Kareem's account (in dollars) = 0
(6) Write an equation to show when the two accounts have the same
amount of money
Mathematics
1 answer:
Leto [7]3 years ago
4 0

I'm doing the same one right now lol, also if anyone gives you a link , don't open it . it can be a hacker . Step-by-step explanation:

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Step-by-step explanation: cube

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uysha [10]

Answer:

a reflection over the x-axis and then a 90 degree clockwise rotation about the origin

Step-by-step explanation:

Lets suppose triangle JKL has the vertices on the points as follows:

J: (-1,0)

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This gives us a triangle in the second quadrant with the 90 degrees corner on the origin. It says that this is then transformed by performing a 90 degree clockwise rotation about the origin and then a reflection over the y-axis. If we rotate it 90 degrees clockwise we end up with:

J: (0,1) , K: (0,0), L: (1,0)

Then we reflect it across the y-axis and get:

J: (0,1), K:(0,0), L: (-1,0)


Now we go through each answer and look for the one that ends up in the second quadrant;

If we do a reflection over the y-axis and then a 90 degree clockwise rotation about the origin we end up in the fourth quadrant.

If we do a reflection over the x-axis and then a 90 degree counterclockwise rotation about the origin we also end up in the fourth quadrant.

If we do a reflection over the x-axis and then a reflection over the y-axis we also end up in the fourth quadrant.

The third answer is the only one that yields a transformation which leads back to the original position.

4 0
3 years ago
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Step-by-step explanation:

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